Home / 123,183,135.09-169,992,779.64-67,428,873.51

Finding the Fourth Proportional to 123,183,135.09, 169,992,779.64 and 67,428,873.51

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Solution

The fourth proportional to 123,183,135.09, 169,992,779.64 and 67,428,873.51 is: 93,051,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,183,135.09 : 169,992,779.64 = 67,428,873.51 : x
  2. Step 2: Convert to fraction form
    123,183,135.09/169,992,779.64 = 67,428,873.51/x
  3. Step 3: Cross multiply
    123,183,135.09x = 169,992,779.64 × 67,428,873.51
  4. Step 4: Simplify right side
    123,183,135.09x = 11,462,421,635,958,864
  5. Step 5: Solve for x
    x = 11,462,421,635,958,864/123,183,135.09
  6. Step 6: Final answer
    x = 93,051,874.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.